MockE2ETest.kt 4.2 KB
/*
 * Copyright 2023-2024 LiveKit, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.livekit.android

import android.content.Context
import androidx.test.core.app.ApplicationProvider
import com.google.protobuf.MessageLite
import io.livekit.android.mock.MockPeerConnection
import io.livekit.android.mock.MockWebSocketFactory
import io.livekit.android.mock.dagger.DaggerTestLiveKitComponent
import io.livekit.android.mock.dagger.TestCoroutinesModule
import io.livekit.android.mock.dagger.TestLiveKitComponent
import io.livekit.android.room.Room
import io.livekit.android.room.SignalClientTest
import io.livekit.android.util.toOkioByteString
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.launch
import livekit.LivekitRtc
import livekit.org.webrtc.PeerConnection
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okio.ByteString
import org.junit.After
import org.junit.Before
import org.junit.runner.RunWith
import org.robolectric.RobolectricTestRunner

@ExperimentalCoroutinesApi
@RunWith(RobolectricTestRunner::class)
abstract class MockE2ETest : BaseTest() {

    internal lateinit var component: TestLiveKitComponent
    internal lateinit var context: Context
    internal lateinit var room: Room
    internal lateinit var wsFactory: MockWebSocketFactory

    @Before
    fun mocksSetup() {
        context = ApplicationProvider.getApplicationContext()
        component = DaggerTestLiveKitComponent
            .factory()
            .create(context, TestCoroutinesModule(coroutineRule.dispatcher))

        room = component.roomFactory()
            .create(context)
        wsFactory = component.websocketFactory()
    }

    @After
    fun tearDown() {
        room.release()
    }

    suspend fun connect(joinResponse: LivekitRtc.SignalResponse = SignalClientTest.JOIN) {
        connectSignal(joinResponse)
        connectPeerConnection()
    }

    suspend fun connectSignal(joinResponse: LivekitRtc.SignalResponse) {
        val job = coroutineRule.scope.launch {
            room.connect(
                url = SignalClientTest.EXAMPLE_URL,
                token = "",
            )
        }
        wsFactory.listener.onOpen(wsFactory.ws, createOpenResponse(wsFactory.request))
        simulateMessageFromServer(joinResponse)

        job.join()
    }

    suspend fun getSubscriberPeerConnection() =
        component
            .rtcEngine()
            .getSubscriberPeerConnection() as MockPeerConnection

    suspend fun getPublisherPeerConnection() =
        component
            .rtcEngine()
            .getPublisherPeerConnection() as MockPeerConnection

    suspend fun connectPeerConnection() {
        simulateMessageFromServer(SignalClientTest.OFFER)
        val subPeerConnection = getSubscriberPeerConnection()
        subPeerConnection.moveToIceConnectionState(PeerConnection.IceConnectionState.CONNECTED)
    }

    suspend fun disconnectPeerConnection() {
        val subPeerConnection = component
            .rtcEngine()
            .getSubscriberPeerConnection() as MockPeerConnection
        subPeerConnection.moveToIceConnectionState(PeerConnection.IceConnectionState.FAILED)
    }

    fun createOpenResponse(request: Request): Response {
        return Response.Builder()
            .request(request)
            .code(200)
            .protocol(Protocol.HTTP_2)
            .message("")
            .build()
    }

    /**
     * Simulates receiving [message] from the server
     */
    fun simulateMessageFromServer(message: MessageLite) {
        simulateMessageFromServer(message.toOkioByteString())
    }

    /**
     * Simulates receiving [message] from the server
     */
    fun simulateMessageFromServer(message: ByteString) {
        wsFactory.listener.onMessage(wsFactory.ws, message)
    }
}